package org.csmzxy.class2333;

public class Example04 {
    public static void main(String[] arg){
        String username1 = "Aeima12345!";
        String username2 = "Beima12345!";
        System.out.println("字符串"+username1+"是否以heima开头："+username1.startsWith("heima"));
        System.out.println("字符串"+username1+"是否以！结尾："+username1.endsWith("!"));
        System.out.println("字符串"+username1+"是否为空："+username1.isEmpty());
        System.out.println("字符串"+username1+"是否包含字符串123："+username1.contains("123"));
        System.out.println("字符串"+username1+","+username2+"内容是否相同："+username1.equals(username2));
        System.out.println("忽略大小写判断字符串"+username1+","+username2+"内容是否相同："+username1.equalsIgnoreCase(username2));
        System.out.println("按Unicode比较字符串"+username1+","+username2+"的大小："+username1.compareTo(username2));

    }
}
